<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
        .box1 {
            width: 100px;
            height: 100px;
            padding: 100px;
            border: 50px dashed orange;
            margin: 100px;
            /* 背景色 */
            background-color: green;
        }
        .box2 {
            width: 100px;
            height: 100px;
            padding: 100px;
            border: 50px dotted orange;
            margin: 100px;
            /* 背景图片 */
            background-image: url("./img/dog.png");
            /* 平铺 */
            background-repeat: no-repeat;
            /* background-repeat: repeat-x; */
            /* background-repeat: repeat-y; */
        }
    </style>
</head>
<body>
    <div class="box1">
    </div>
    <div class="box2">
    </div>
</body>
</html>